{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "1399499253",
    "entityType": "Notification",
    "nonce": "0x2b108d327a4285ed68e5a0261a1160b89b1d4f7e36b5e26b95ca35142b7dd0bf",
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    "signer": "0x7D774EC85aCd0FeeD9fd87c46133f3f76181BC72",
    "userId": "204343035"
  }
}